I did a shot of meth IM last week in my hip area and the next day I had a burning sensation and hardness of muscle and swelling bigger than golf ball but smaller than baseball it was warm to touch but no redness it is 8 days later now still have tight muscle and swelling same but it hurts like hell now no redness and no warmth just swelling tightness and pain its hard to walk and get in and out of car. Should I go to er